John P. Duffy is one of three founders of Summit Commercial Real Estate. During his 30 years of experience John has focused on not-for-profit organizations, Healthcare, Corporate and Institutional Advisory Services in Washington, D.C. metropolitan markets. He has represented and advised Fortune 500 Companies and prestigious not-for profit organizations on a national basis. Mr. Duffy offers clients vast experience and knowledge in the East Coast markets with an unparalleled track record of significant transactions. Mr. Duffy has become a trusted, reliable advisor for many institutions and corporations on a repeat basis as demonstrated by the transaction list below.